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DOI: | 10.1111/j.1365-2494.1957.tb00986.x |
Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1957.tb00986.x/pdf Last checked: 07/08/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Evans, Gwilym |
Author Affiliation: | Welsh Plant Breeding Station |
Title: | The viability over a period of fifteen years of severely dried ryegrass seed |
Source: | Journal of the British Grassland Society. Vol. 12, No. 4, December 1957, p. 286-289. |
Publishing Information: | [Oxford, England, United Kingdom]: Blackwell Publishing Ltd. |
# of Pages: | 4 |
Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1957.tb00986.x/abstract Last checked: 07/08/2014 Notes: Abstract only |
Keywords: | TIC Keywords: Dry conditions; Germination inhibitors; Heat resistance; Heat stress; Lolium; Moisture; Temperature response
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Abstract/Contents: | "Perennial ryegrass seed was dried at temperatures from 50°C to 120°C, the increases of 10°C being made regularly at intervals of 3 hours. The figures for germination capacity obtained immediately after treatment indicated that a lethal zone had been reached with final temperatures above 100°C and moisture contents reduced to 0.09 and 0.00 per cent. It was shown that heat drying to as low as 0.66 per cent moisture at a final temperature of 100°C for 3 hours does not injure the germination capacity over a period of seven years, but after 15 years a greater loss in viability appears than in seed treated less severely. Germination energy figures (6-days' test) rather than germination capacity are a more reliable guide to optimum temperatures, duration of heating, and moisture content in the drying of seed for long-period storage. The most favourable treatment in this series was found to be heating the seed gradually to a maximum temperature of 90°C for 3 hours with a reduction of moisture content to 1.62 per cent. Seed thus treated showed 81 per cent germination after 15 years; for the last eight years the bottles were stored in a cold room, after replacing the air in them with nitrogen." |
Language: | English |
References: | 12 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Evans, G. 1957. The viability over a period of fifteen years of severely dried ryegrass seed. Grass Forage Sci. 12(4):p. 286-289. |
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| DOI: 10.1111/j.1365-2494.1957.tb00986.x |
| Web URL(s): http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1957.tb00986.x/pdf Last checked: 07/08/2014 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: b4886304 |
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